CN101355275A - Electric motors - Google Patents
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- CN101355275A CN101355275A CNA2008101095658A CN200810109565A CN101355275A CN 101355275 A CN101355275 A CN 101355275A CN A2008101095658 A CNA2008101095658 A CN A2008101095658A CN 200810109565 A CN200810109565 A CN 200810109565A CN 101355275 A CN101355275 A CN 101355275A
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- coiling
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- armature core
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K23/00—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors
- H02K23/26—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors characterised by the armature windings
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K13/00—Structural associations of current collectors with motors or generators, e.g. brush mounting plates or connections to windings; Disposition of current collectors in motors or generators; Arrangements for improving commutation
- H02K13/04—Connections between commutator segments and windings
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- Power Engineering (AREA)
- Dc Machiner (AREA)
- Motor Or Generator Current Collectors (AREA)
- Windings For Motors And Generators (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The invention provides a structure in which short circuit between winding is difficult to occur at the neck. In the electric motor of the invention, one end of the wire W11 is connected to the armature slot No. 1, after winding around the periphery of the neck of the neck, connects to the armature slot No. 8 of the armature core 10, a turned from the armature slot No. 8 to be passed through the armature slot No. 9 that is positioned next to the armature slot No. 8. The first wire W11 is then passed through the armature slot No. 1 that is positioned at a position opposite to the armature slot No. 9 with respect to the central axis of the armature core 10. Thereafter, the first wire W11 is wound around the armature core 10 through the armature slot No. 1 and the armature slot No. 8 by a predetermined number of turns. Then, the first wire W11 leaves from the armature slot No. 8 and is wound around the left side part of the outer circumference of the neck, to connect to the armature slot No. 2. The commutator segment No. 8 is offset by an angle of 180[deg.] from the commutator segment No. 1 and the commutator segment No. 2.
Description
Technical field
The present invention relates to a kind of electro-motor, this electro-motor has: armature core, and it has a plurality of grooves of ccontaining coiling in a circumferential direction; Commutator, it is coaxial to be arranged in the axial direction position with this armature core devices spaced apart; And, neck (neck) portion, it is arranged between above-mentioned armature core and the above-mentioned commutator, and the diameter of this neck is littler than above-mentioned commutator.
Background technology
Put down in writing the technology of relevant above-mentioned electro-motor in patent documentation 1, the schematic configuration diagram of its rotor R is shown in Fig. 2 B.
Shown in Fig. 2 B, in rotor R with the neck 14 between armature core 10 and commutator 12, link to each other in order to make with commutator 12, and package (reel install) can not hang in the position at neck 14 when package finishes of the coiling W on the armature core 10, and the method for winding of the W that winds the line is improved.
Promptly, shown in Figure 10 A, for example, the coiling W1 that one end links to each other with first (No.1) commutator segment of commutator 12, be communicated to initial groove 11 (first (No.1) groove) after 14 1 weeks around neck, and, be communicated to from this first (No.1) groove and be formed on across the center of armature core 10 and the groove (the 8th (No.8) groove) of roughly relative locational opposition side.Thereby coiling W1 uses first (No.1) groove and the 8th (No.8) groove to be wrapped on the armature core 10.Further, the other end of coiling W1 extends from the 8th (No.8) groove, behind neck 14 half cycles, with first (No.1) commutator segment adjacent second (No.2) commutator segment link to each other.
Like this, the two end portions by the W1 that will wind the line loosely twists on the neck 14, makes coiling W1 can not hang (being drawn as straight line at neck) when package finishes.Thus, because the vibration during package when unnecessary tension force and running can not apply burden to coiling W1, so the W1 that can prevent to wind the line breaks in the part of commutator 12.At this, the schematic diagram illustration of Figure 10 A the electro-motor M of 16 grooves/32 slice (segment).
In addition, dotted line shown in Figure 10 A represents that the coiling W2 that links to each other with the 17 (No.17) commutator segment, the 18 (No.18) commutator segment, wherein said the 17 (No.17) commutator segment, the 18 (No.18) commutator segment are positioned at and first (No.1) commutator segment, second (No.2) commutator segment position of 180 ° of phasic differences mutually.Coiling W2 also with coiling W1 identical method, use the 16 (No.16) groove and the 9th (No.9) groove to be wrapped on the armature core 10.
In addition, the coiling that is connected with other commutator segment (omitting diagram) also changes under the state of employed groove in the phase place that cooperates commutator segment, utilizes above-mentioned method to be wrapped on the armature core 10.
Patent documentation 1:JP spy opens flat 10-210704 communique.
But in above-mentioned electro-motor M, the coiling W1, the W2 that link to each other with the commutator segment of commutator 12, are wrapped on the armature core 10 after 14 1 weeks around neck.Therefore, be positioned at 180 ° of phase phasic differences locational first (No.1) commutator segment, the 17 (No.17) the coiling W1 that commutator segment connected and the coiling W2 contact in the position of neck 14.At this, shown in Figure 10 B, between coiling W1 and coiling W2, on first (No.1), second (No.2) commutator segment and the 17 (No.17), the 18 (No.18) commutator segment, be connected brush BR respectively, thereby increasing the potential difference that equates to supply voltage.In addition, in neck 14, compare with the part of groove 11, coiling W1, W2's is fixing abundant inadequately, and therefore, the vibration during sometimes because of use produces coiling W1, W2 friction each other.Thus, the dielectric film attenuation of coiling W1, W2 particularly causes that the possibility of short circuit is very high between the big coiling of the such potential difference of W1 and coiling W2 that winds the line.
Summary of the invention
The present invention is the invention of a little making in order to address the above problem, and the problem to be solved in the present invention provides a kind of electro-motor that is difficult to take place the winding department short circuit in the position of neck.
The problems referred to above solve by the invention of following each technical scheme.
The invention of technical scheme 1 is that a kind of electro-motor possesses: armature core, and it has a plurality of grooves of ccontaining coiling in a circumferential direction; Commutator, its coaxial setting on the position of separating with this armature core vertically; And, neck, it is arranged between above-mentioned armature core and the commutator, and diameter is littler than above-mentioned commutator; It is characterized in that, one end of above-mentioned coiling links to each other with a commutator segment that constitutes above-mentioned commutator, after this coiling is reeled along the periphery of above-mentioned neck, pass to a groove of above-mentioned armature core, turn around to pass to adjacent groove again, afterwards, pass to from this adjacent groove and to be formed on across the center of above-mentioned armature core and the groove of roughly relative locational opposition side, the groove and an above-mentioned groove of this opposition side used in above-mentioned coiling, or above-mentioned adjacent groove and being wrapped on the above-mentioned armature core, the other end of this coiling stretches out from an above-mentioned groove or above-mentioned adjacent groove, behind the periphery coiling of above-mentioned neck, be connected to be positioned at an above-mentioned commutator segment position adjacent on commutator segment, an above-mentioned groove and above-mentioned adjacent groove are arranged on respect to an above-mentioned commutator segment and above-mentioned adjacent commutator segment and rotate on about 180 ° position around the axle center.
According to the present invention, the groove (groove or adjacent groove) that the other end of groove (groove) that coiling is passed through at first and coiling stretches out is same groove or adjacent groove.In addition, a groove and adjacent groove are arranged on respect to a commutator segment and adjacent commutator segment and rotate on about 180 ° position around the axle center.Therefore, the relative neck of an end of above-mentioned coiling only reeled about 180 ° (half cycles) with the other end.
At this, the coiling that will link to each other with a commutator segment and adjacent commutator segment is as first coiling, will be positioned at the coiling that links to each other with adjacent commutator segment with respect to the commutator segment of the locational opposite side of a commutator segment Rotate 180 ° and wind the line as N.As mentioned above, because an end and the other end of coiling have been reeled about 180 ° (half cycles) with respect to 14 of necks, coiling does not contact mutually at above-mentioned neck so first coiling is with N.That is, the neck that influences such as vibrated easily, because link to each other with relative to each other commutator segment, first coiling and the N coiling of potential difference maximum do not contact with each other, so the winding department short circuit is difficult to generation.
In addition, because an end and the other end of coiling only reeled about 180 ° (half cycles) with respect to neck, so an end of coiling and the other end position that can not be suspended in neck.
The invention of technical scheme 2 is characterised in that, in a coiling and the coiling of another root of employed a pair of groove on armature core time the by package, initial groove that passes through of coiling and another root initial groove that passes through that winds the line is different for shared.
According to the present invention, the neck that influences such as vibrated easily, because link to each other with relative to each other commutator segment, first coiling and the N coiling of potential difference maximum do not contact with each other, so the winding department short circuit is difficult to generation.
Description of drawings
Fig. 1 be in the electro-motor of expression first execution mode of the present invention coiling to the schematic diagram of the method for winding of armature core.
Fig. 2 A, Fig. 2 B are the schematic diagrames of the rotor of expression electro-motor.
Fig. 3 is the expanded view of expression coiling to the method for winding of armature core.
Fig. 4 is the expanded view of expression coiling to the method for winding of armature core.
Fig. 5 is the expanded view of expression coiling to the method for winding of armature core.
Fig. 6 is the expanded view of expression coiling to the method for winding of armature core.
Fig. 7 represents the expanded view of other coiling to the method for winding of armature core.
Fig. 8 represents the expanded view of other coiling to the method for winding of armature core.
Fig. 9 represents the expanded view of other coiling to the method for winding of armature core.
Figure 10 A is that coiling is to the schematic diagram of the method for winding of armature core in the electro-motor of representing in the past, and Figure 10 B is the distribution schematic diagram of electro-motor.
Embodiment
First execution mode
Below, with reference to Fig. 1～Fig. 9 the electro-motor of first execution mode of the present invention is described.The electro-motor of present embodiment is the electro-motor that uses in electric tools such as electric hammer brill, Fig. 1 is the schematic diagram of expression coiling to the method for winding of armature core, Fig. 2 A, Fig. 2 B are the schematic diagrames of the rotor of expression electro-motor, and Fig. 3～Fig. 9 is the expanded view of expression coiling to the method for winding of armature core.
Summary about the rotor R of electro-motor M
Shown in Fig. 2 A, the rotor R of electro-motor M has: the axle 10s that becomes pivot; Co-axially fixed armature core 10 on the substantial middle position on the length direction of this 10s; And, co-axially fixed commutator 12 on the position of the deflection end of above-mentioned axle 10s.And, the small diameter portion between armature core 10 and the commutator 12, promptly the part of axle 10s constitutes neck 14.
In addition, Fig. 2 B expresses the state that on armature core 10 package has coiling W.
Above-mentioned electro-motor M is the electro-motor of 16 grooves/32 slice, as shown in Figure 1, on the outer peripheral face of armature core 10, equally spaced is formed with 16 grooves 11 (first (No.1) groove～the 16 (No.16) groove) along circumferencial direction.In addition, commutator 12, is made of 32 commutator segment 12t (first (No.1)～32 (No.32) commutator segment) uniformly-spaced by 32 five equilibriums (32) along circumferencial direction.
About the method for winding of coiling W to armature core 10
Below, with reference to Fig. 1, Fig. 3～Fig. 6, the method for winding (pattern 1) of coiling W to armature core 10 is described.
At first, an end and first (No.1) commutator segment is linked to each other, the method for winding of the first coiling W11 that the other end and second (No.2) commutator segment links to each other describes.Shown in the solid line among Fig. 1, the first coiling W11, at one end with state that first (No.1) commutator segment links to each other under, walk around about half cycle along the left side of the outer peripheral face of neck 14 after, be communicated with the 8th (No.8) groove of armature core 10.In addition, the phase place of the 8th (No.8) groove and first (No.1) commutator segment differs 180 ° approximately.
Then, as Fig. 1, shown in Figure 3, the first coiling W11 turns around and passes to adjacent the 9th (No.9) groove from the 8th (No.8) groove, passes to from the 9th (No.9) groove to be formed on across the center of armature core 10 and the groove (first (No.1) groove) of roughly relative locational opposition side again.So the first coiling W11 uses first (No.1) groove and the 8th (No.8) groove, is wrapped on the armature core 10.As shown in Figure 1, the other end of the first coiling W11 stretches out from the 8th (No.8) groove, walk around about half cycle along the left side of the outer peripheral face of neck 14 after, link to each other with second (No.2) commutator segment.
Shown in the dotted line among Fig. 5, the other end of the first coiling W11 links to each other with the second coiling W12 via second (No.2) commutator segment.
The second coiling W12 uses the identical groove with the first coiling W11, is wrapped on the armature core 10 with identical order.Then, second other end and the 3rd (No.3) commutator segment that winds the line W12 that stretches out from the 8th (No.8) groove links to each other.
In addition, shown in the chain-dotted line among Fig. 6, the other end of the second coiling W12 links to each other with the 3rd coiling W13 via the 3rd (No.3) commutator segment.
With respect to the first coiling W11, the second coiling W12, the 3rd coiling W13 is wrapped on the armature core 10 to differ the state of a groove.That is, shown in the chain-dotted line among Fig. 6, the 3rd coiling W13 at one end with state that the 3rd (No.3) commutator segment links to each other under, walk around about half cycle along the left side of the outer peripheral face of neck 14 after, be connected with the 9th (No.9) groove of armature core 10.Then, turn around from the 9th (No.9) groove and pass to adjacent the tenth (No.10) groove, pass to from the tenth (No.10) groove again and be formed on across the center of armature core 10 and the groove (second (No.2) groove) of roughly relative locational opposition side.So the 3rd coiling W13 uses second (No.2) groove and the 9th (No.9) groove, is wrapped on the armature core 10.The other end of the 3rd coiling W13 stretches out from the 9th (No.9) groove, walk around about half cycle along the left side of the outer peripheral face of neck 14 after, link to each other with the 4th (No.4) commutator segment.
In addition, the 4th coiling W14 (omitting diagram) via the 4th (No.4) commutator segment links to each other with the 3rd coiling W13 uses the identical groove with the 3rd coiling W13, is wrapped on the armature core 10 with identical order.
Like this, two coilings are used identical grooves and are wrapped on the armature core 10, and ensuing two coilings are wrapped on the armature core 10 with the state of the groove that staggers.The back, two one group coiling similarly with the state of the groove that staggers, sequentially is wrapped on the armature core 10 respectively.
Then, an end and the other end are connected with the 17 (No.17) of 180 ° of the phasic differences mutually of first (No.1), second (No.2) commutator segment, the method for winding of N coiling W21 on the 18 (No.18) commutator segment describe.
Shown in the chain-dotted line of Fig. 1, N coiling W21 at one end with state that the 17 (No.17) commutator segment links to each other under, walk around about half cycle along the right side of the outer peripheral face of neck 14 after, be connected with the 16 (No.16) groove of armature core 10.Then, as Fig. 1, shown in Figure 4, N coiling W21 turns around and passes to adjacent first (No.1) groove from the 16 (No.16) groove, passes to from this first (No.1) groove to be formed on across the center of armature core 10 and the groove (the 9th (No.9) groove) of roughly relative locational opposition side again.So N coiling W21 uses the 16 (No.16) groove and the 9th (No.9) groove, is wrapped on the armature core 10.As shown in Figure 1, the other end of N coiling W21 stretches out from the 16 (No.16) groove, walk around about half cycle along the right side of the outer peripheral face of neck 14 after, link to each other with the 18 (No.18) commutator segment.
Advantage about the electro-motor M of present embodiment
As shown in Figure 1, according to the electro-motor M of present embodiment, the groove (the 8th (No.8) groove) that the groove (the 8th (No.8) groove) that the first coiling W11 passes through at first and the other end of the first coiling W11 stretch out is same groove.In addition, the first coiling W11 passes through at first, also be the groove (the 8th (No.8) groove) that stretches out of the other end of the first coiling W11, be arranged on respect to first coiling first (No.1) that W11 connected, second (No.2) commutator segment and rotate on about 180 ° position along the axle center.Therefore, the first coiling end of W11 and the other end are with respect to 14 of necks reeled about 180 ° (half cycles).Thereby, as shown in Figure 1, at neck 14, the first coiling W11 that links to each other with first (No.1), second (No.2) commutator segment, with link to each other with the 17 (No.17), the 18 (No.18) commutator segment, do not contact mutually with the N coiling W21 of 180 ° of the phasic differences mutually of the first coiling W11.
That is, the neck 14 that influences such as being vibrated easily, link to each other with the commutator segment of mutual subtend, first coiling W11 of potential difference maximum and N coiling W21 do not contact mutually, so the winding department short circuit is difficult to take place.
In addition, because an end and the other end of coiling reeled about 180 ° (half cycles) to 14 of necks, so an end of coiling and the other end position that can not be suspended in neck.
At this, though the first coiling W11 and N coiling W21 are overlapped in first (No.1) groove and the 9th (No.9) groove, but because coiling is fixed in the groove with being stabilized, so the influence that can not vibrated etc. even the big coiling of potential difference overlaps each other can not have problems yet.
The method of winding of other coiling
Then, with reference to Fig. 7～Fig. 9, other the method for winding of coiling is described.
In this method of winding,, it is characterized in that initial groove that passes through of coiling and another root initial groove that passes through that winds the line is different for the shared coiling and the coiling of another root of employed a pair of groove when package is on armature core 10.
That is, as shown in Figure 7, the first coiling WX1 that an end and first (No.1) commutator segment links to each other, walk around about half cycle along the left side of the outer peripheral face of neck 14 after, be connected with the 7th (No.7) groove of armature core 10.Then, turn around and pass to adjacent the 8th (No.8) groove, pass to from the 8th (No.8) groove again and be formed on across the center of armature core 10 and first (No.1) groove of roughly relative locational opposition side from the 7th (No.7) groove.So the first coiling WX1 uses first (No.1) groove and the 8th (No.8) groove, is wrapped on the armature core 10.The other end of the first coiling WX1 stretches out from the 8th (No.8) groove, walk around about half cycle along the left side of the outer peripheral face of neck 14 after, link to each other with second (No.2) commutator segment.Like this, the groove (the 8th (No.8) groove) different (patterns 2) that stretches out of first groove (the 7th (No.7) groove) that pass through at first of coiling WX1 and the other end.
Shown in the dotted line among Fig. 8, the second coiling WX2 passes to the 8th (No.8) groove of armature core 10 from (No.2) commutator segment.Then, turn around and pass to adjacent the 9th (No.9) groove, pass to from the 9th (No.9) groove again and be formed on across the center of armature core 10 and roughly relative locational first (No.1) groove from the 8th (No.8) groove.So the second coiling WX2 uses first (No.1) groove and the 8th (No.8) groove, is wrapped on the armature core 10.
That is, the second coiling WX2 is wrapped on the armature core 10 with the method for winding shown in Fig. 3～Fig. 6 (pattern 1), and the groove that passes through at first (the 8th (No.8) groove) is identical with the groove (the 8th (No.8) groove) that the other end stretches out.
Like this, the first coiling WX1 and the second coiling WX2 use first (No.1) groove and the 8th (No.8) groove and are wrapped on the armature core 10.But the first coiling WX1 is different with the groove (the 7th (No.7) groove, the 9th (No.9) groove) that the second coiling WX2 passes through at first.
Shown in the chain-dotted line among Fig. 9, the 3rd coiling WX3 is wrapped in (pattern 2) on the armature core 10 to differ the state of a groove with the first coiling WX1.
That is, the 3rd coiling WX3 that an end and the 3rd (No.3) commutator segment links to each other is connected with the 8th (No.8) groove of armature core 10.Then, turn around and pass to adjacent the 9th (No.9) groove, pass to from the 9th (No.9) groove again and be formed on across the center of armature core 10 and roughly relative locational groove (second (No.2) groove) from the 8th (No.8) groove.So the 3rd coiling WX3 uses second (No.2) groove and the 9th (No.9) groove, is wrapped on the armature core 10.The other end of the 3rd coiling WX3 stretches out from the 9th (No.9) groove, walk around about half cycle along the left side of the outer peripheral face of neck 14 after, link to each other with the 4th (No.4) commutator segment.
The 4th coiling (omit diagram) is wrapped in (pattern 1) on the armature core 10 to differ the state of a groove with the second coiling WX2.That is, the 4th coiling is identical with the 3rd coiling WX3, uses second (No.2) groove and the 9th (No.9) groove and is wrapped on the armature core 10, and WX3 is different but the groove that passes through at first and the 3rd winds the line.
Like this, two coilings are used identical grooves and are wrapped on the armature core 10, and ensuing two coilings are wrapped on the armature core 10 with the state of the groove that staggers.The back, two one group same coiling sequentially is wrapped on the armature core 10 all respectively with the state of the groove that staggers.
Variation
At this, the invention is not restricted to above-mentioned execution mode, can carry out various changes without departing from the spirit and scope of the present invention.For example, in the present embodiment, as Fig. 3～shown in Figure 6, illustration only come the example of package coiling W with pattern 1, and, the example of package coiling W when the sequence alternate with pattern 2, pattern 1 changes the package pattern.But, for example, also can only use pattern 2 to come package coiling W, perhaps when the sequence alternate with pattern 1, pattern 2 changes the package pattern, package coiling W.
In addition, in the present embodiment, be that example is illustrated with the electro-motor M of 16 grooves/32 slice, but can carry out suitable change groove number and sheet number.
In addition, in the expanded view of Fig. 3～shown in Figure 9, show package state once on armature core 10, but the package number of times can appropriate change with coiling W.
Claims (2)
1. electro-motor possesses: armature core, and it has a plurality of grooves of ccontaining coiling in a circumferential direction; Commutator, its coaxial setting on the position of separating with this armature core vertically; And, neck, it is arranged between above-mentioned armature core and the commutator, and diameter is littler than above-mentioned commutator; It is characterized in that,
One end of above-mentioned coiling links to each other with a commutator segment that constitutes above-mentioned commutator, after this coiling is reeled along the periphery of above-mentioned neck, pass to a groove of above-mentioned armature core, turn around to pass to adjacent groove again, afterwards, pass to from this adjacent groove and to be formed on across the center of above-mentioned armature core and the groove of roughly relative locational opposition side, the groove and an above-mentioned groove of this opposition side used in above-mentioned coiling, or above-mentioned adjacent groove and being wrapped on the above-mentioned armature core, the other end of this coiling stretches out from an above-mentioned groove or above-mentioned adjacent groove, behind the periphery coiling of above-mentioned neck, be connected to be positioned at an above-mentioned commutator segment position adjacent on commutator segment
An above-mentioned groove and above-mentioned adjacent groove are arranged on respect to an above-mentioned commutator segment and above-mentioned adjacent commutator segment and rotate on about 180 ° position around the axle center.
2. electro-motor as claimed in claim 1 is characterized in that,
In a coiling of employed a pair of groove and the coiling of another root on above-mentioned armature core time the by package, initial groove that passes through of coiling and another root initial groove that passes through that winds the line is different for shared.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007191738A JP5047717B2 (en) | 2007-07-24 | 2007-07-24 | Electric motor |
| JP2007191738 | 2007-07-24 | ||
| JP2007-191738 | 2007-07-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101355275A true CN101355275A (en) | 2009-01-28 |
| CN101355275B CN101355275B (en) | 2013-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101095658A Expired - Fee Related CN101355275B (en) | 2007-07-24 | 2008-06-02 | Electric motors |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7723890B2 (en) |
| EP (1) | EP2019478A3 (en) |
| JP (1) | JP5047717B2 (en) |
| CN (1) | CN101355275B (en) |
| RU (1) | RU2451381C2 (en) |
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|---|---|---|---|---|
| CN101807840A (en) * | 2009-02-13 | 2010-08-18 | 德昌电机(深圳)有限公司 | Permanent-magnet DC brush motor |
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|---|---|---|---|---|
| US9425663B2 (en) | 2012-08-17 | 2016-08-23 | Black & Decker Inc. | Distributed winding arrangement for an electric motor |
| CN117318403A (en) * | 2023-10-09 | 2023-12-29 | 揭阳市汇宝昌电器有限公司 | Flat permanent magnet direct current brush motor in inverse wire hanging mode and design method thereof |
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| JP3559171B2 (en) * | 1998-08-10 | 2004-08-25 | 三菱電機株式会社 | Commutator for rotating electric machine and method of manufacturing the same |
| JP3559172B2 (en) * | 1998-08-10 | 2004-08-25 | 三菱電機株式会社 | Amateur of rotating electric machine and method of manufacturing the same |
| JP3530034B2 (en) * | 1998-08-10 | 2004-05-24 | 三菱電機株式会社 | Rectifier for rotating electric machine |
| JP3559178B2 (en) * | 1998-10-23 | 2004-08-25 | 三菱電機株式会社 | Rotating electric machine and method of manufacturing the same |
| DE19934685A1 (en) * | 1999-07-23 | 2001-01-25 | Interelectric Ag Sachseln | Small electric motor with spark suppression device |
| JP3469164B2 (en) * | 2000-05-02 | 2003-11-25 | 三菱電機株式会社 | Rotating electric machine |
| US6566782B1 (en) * | 2000-06-14 | 2003-05-20 | Black & Decker Inc. | Motor armature having distributed windings for reducing arcing |
| JP2003102155A (en) * | 2002-09-06 | 2003-04-04 | Mitsubishi Electric Corp | Commutator motor |
| DE10361811A1 (en) * | 2003-12-30 | 2005-07-28 | Robert Bosch Gmbh | Electric machine with commutator rotor |
| US7557484B2 (en) * | 2004-02-10 | 2009-07-07 | Mitsuba Corporation | Electric motor |
| JP2007191738A (en) | 2006-01-17 | 2007-08-02 | Sumitomo Metal Mining Co Ltd | Molded body having metal film and its production method |
-
2007
- 2007-07-24 JP JP2007191738A patent/JP5047717B2/en not_active Expired - Fee Related
-
2008
- 2008-06-02 CN CN2008101095658A patent/CN101355275B/en not_active Expired - Fee Related
- 2008-07-18 US US12/219,288 patent/US7723890B2/en not_active Expired - Fee Related
- 2008-07-22 EP EP08013202A patent/EP2019478A3/en not_active Withdrawn
- 2008-07-23 RU RU2008130530/07A patent/RU2451381C2/en not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101807840A (en) * | 2009-02-13 | 2010-08-18 | 德昌电机(深圳)有限公司 | Permanent-magnet DC brush motor |
| CN101807840B (en) * | 2009-02-13 | 2016-05-25 | 德昌电机(深圳)有限公司 | A kind of permanent-magnet DC brush motor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5047717B2 (en) | 2012-10-10 |
| US20090026871A1 (en) | 2009-01-29 |
| EP2019478A2 (en) | 2009-01-28 |
| RU2008130530A (en) | 2010-01-27 |
| CN101355275B (en) | 2013-01-02 |
| JP2009027902A (en) | 2009-02-05 |
| EP2019478A3 (en) | 2011-02-09 |
| RU2451381C2 (en) | 2012-05-20 |
| US7723890B2 (en) | 2010-05-25 |
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